Standardize usage of virtual/override/final specifiers.

chrome/browser/apps/drive/drive_app_mapping_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/apps/drive/drive_app_mapping.h"
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class DriveAppMappingTest : public testing::Test {
  public:
   DriveAppMappingTest() {}
-  virtual ~DriveAppMappingTest() {}
+  ~DriveAppMappingTest() override {}
 
   // testing::Test:
-  virtual void SetUp() override {
+  void SetUp() override {
     pref_service_.reset(new TestingPrefServiceSyncable);
     DriveAppMapping::RegisterProfilePrefs(pref_service_->registry());
 
     mapping_.reset(new DriveAppMapping(pref_service_.get()));
   }
 
   DriveAppMapping* mapping() { return mapping_.get(); }
 
  private:
   scoped_ptr<TestingPrefServiceSyncable> pref_service_;
@@ skipping 88 matching lines @@
 
 TEST_F(DriveAppMappingTest, TrackUninstall) {
   const std::string drive_app_id = "drive-1";
 
   mapping()->AddUninstalledDriveApp(drive_app_id);
   EXPECT_TRUE(mapping()->IsUninstalledDriveApp(drive_app_id));
 
   mapping()->RemoveUninstalledDriveApp(drive_app_id);
   EXPECT_FALSE(mapping()->IsUninstalledDriveApp(drive_app_id));
 }